Improved DBMySQLi::query()
Small corrections
Small corrections
Merge pull request #991 from theonlynexus/master

Improved DBMySQLi::query
added customer activity and affiliate activity log
fix for the mysqli driver
more custom field work done
more work done on custom fields
Code /standards tidy Ref #991
Converted space indents to tabs on mpdo.php - this file needs a clean-up as it looks like a merge from a user.
Fixed bug with install process using mysql driver instead of the chosen DB driver during install.
Changed upgrade script to support enum database field type. Close #981
Removed referenced image that does not exist in install css. Close #882
massive change to the structure of opencart.

now using loader classes for loading template files
more work done on the new opencart structure
Merge branch 'master' of https://github.com/opencart/opencart
Fixed button styling on the install page. Fixes #995

Added MySQLi connection test in step 3 validation during install.

Converted space indents to tabs and removed blank line indents.
Fixed typo. Fixes #994

Converted indents to tabs.
Standards improved.
change language->load to load->language